motstandsnahtsveising

Motstandsnahtsveising, commonly known as resistance seam welding, is an automated, continuous welding process used to join overlapping sheet metal. It utilizes two rotating, circular electrodes to apply pressure and current along the seam where the two pieces of metal meet. The resistance generated by the metal to the flow of electrical current causes localized heating, melting the metal at the interface. As the electrodes rotate, they create a series of overlapping spot welds, forming a continuous, leak-tight seam.

This method is particularly effective for producing long, continuous welds, such as those found in fuel tanks, mufflers, and other components requiring a hermetic seal. The process is highly controllable, allowing for precise adjustments to current, pressure, and speed to achieve consistent weld quality. Key advantages include its high speed, suitability for automated production lines, and the ability to create leak-proof joints without the need for filler material.

However, motstandsnahtsveising requires specialized equipment and the metal pieces must be precisely aligned for optimal results. The thickness and type of metal that can be welded are also limitations. The process is typically used for thinner gauge materials and is most common in industries like automotive manufacturing, appliance production, and the fabrication of sheet metal enclosures.